]]^(:^(- African Sjjecies of VjAv\m^. ',V.\ 



Burbus ahlahes. 



Punfius (Barbodcs) nblabe^, Bleeker, Xat. Veih. Vet. Haarlem, xviii. 



18t).'3, no. 2, p. 114. pi. xxiii. fig. 1. 

 Enteromius potamogalis, Cope, Traus. Amer. Philo3. Soc. (2) xiii. 1867, 



p. 407. 

 Barhus ablates, Steindachn. Notes Leyd. Mas. xvi. 1894, p. 79. 



Depth of body 2f to 3 times in total length, length of 

 head 3^ to 4 times. Snout rounded, as long as eye, 3 or 3^ 

 times in length of head, interorbital width 2| or 3 times ; 

 mouth inferior, its width ^ length of head; lips moderately 

 developed, interrupted on the chin ; barbels two on eacii side, 

 ])osterior as long as eye and twice as long as the anterior, the 

 distance between them * diameter of eye. Dorsal III 8, last 

 simple ray flexible, not enlarged, as long as head ; free edge 

 of the fin slightly emarginate ; its distance from the occiput 

 a little less than its distance from the caudal fin. Anal III 5, 

 longest ray | to | length of liead. Pectoral | to 4 length of 

 head, reaching or nearly reaching ventral ; latter below ante- 

 rior rays of dorsal. Caudal peduncle 1 ^ times as long as deep. 

 Scales 22-25 yf, 2 or 2^ between lateral line and ventral, 

 12 round caudal peduncle. Brownish above, whitish beneath, 

 the dorsal scales darker at the base ; a black straight lateral 

 band, from the end of the snout, through the eye, to the base 

 of the caudal; fins white, dorsal greyish in front. 



Total length 85 mm. 



Originally described from Dabo-Crom, Gold Coast ; re- 

 discovered in the Gaboon by ]\I. du Chaillu, in Liberia by 

 Dr. Biittikofer. I have examined numerous specimens from 

 the Gold Coast, obtained by the late Mr. R. B. N. Walker, 

 together with examples of the other Barbus, B. trispilus, 

 described by Bleeker as found in the same bottle with the 

 type oi B. ahlahes. 



Barb us trispilus. 



Puntius (Barbodes) trispilos, Bleeker, Nat. Verb. Vet. Haarlem, xviii. 



1863, no. 2, p. 113, pi. xxiii. fig-. 3. 

 £arbus trispi/us, Giinther, Cat. Fish. vii. p. 108 (1868), and Proc. Zool. 



Soc. 1899, p. 730. 

 Barbus camptacanthus, var. liberiensis, Steiudacbn. Notes Lej-d. Mus. 



xvi. 1894, p. 80. 



Depth of body 3 to 3§ times in total length, length of head 

 3§ to 4 times. Snout rounded, not longer than the eye ; 

 diameter of eye 3^ to 3^ times in length of head, interorbital 

 width 2^ to 2^ times; mouth terminal, its width about ^ 

 length of head ; lips moderately developed, interrupted oq 



An7i. d: Mag. X. Hist. Ser. 7. Vol. xviii. 3 



